package com.kuang.springcloud.controller;

import com.kuang.springcloud.pojo.Dept;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.List;

@RestController
public class DeptConsumerController {

    //理解：消费者不应该有service层
    //RestTemplate里面有很多方法供我们调用
    @Autowired
    private RestTemplate restTemplate;//提供远程访问http服务的方法，简单的Restful服务模板
    //使用负载均衡Ribbon，这里的地址应该是一个变量，通过服务名来访问
//    private static final String REST_URL_PREFIX = "http://localhost:8001";
    private static final String REST_URL_PREFIX = "http://springcloud-provider-dept";

    @RequestMapping("/consumer/dept/get/{no}")
    public Dept get(@PathVariable("no") Long no){
       try {
           Dept dept = restTemplate.
                   getForObject(REST_URL_PREFIX+"/dept/get/"+no,Dept.class);
           return  dept;
       }catch (RuntimeException e){
           e.printStackTrace();
           return new Dept().setDeptno(no);
       }

    }

    @RequestMapping("/consumer/dept/add")
    public boolean add(Dept dept){
        return restTemplate.
                postForObject(REST_URL_PREFIX+"/dept/add",dept,Boolean.class);
    }

    @RequestMapping("/consumer/dept/list")
    public List<Dept> getList(){
        return restTemplate.
                getForObject(REST_URL_PREFIX+"/dept/list",List.class);
    }
}
